1 files changed, 2 insertions, 2 deletions
diff --git a/Source/WebCore/bindings/js/JSWorkerCustom.cpp b/Source/WebCore/bindings/js/JSWorkerCustom.cpp
index ca0f76195..7145fcf34 100644
--- a/Source/WebCore/bindings/js/JSWorkerCustom.cpp
+++ b/Source/WebCore/bindings/js/JSWorkerCustom.cpp
@@ -52,10 +52,10 @@ JSC::JSValue JSWorker::webkitPostMessage(JSC::ExecState* exec)
 
 EncodedJSValue JSC_HOST_CALL JSWorkerConstructor::constructJSWorker(ExecState* exec)
 {
-    JSWorkerConstructor* jsConstructor = static_cast<JSWorkerConstructor*>(exec->callee());
+    JSWorkerConstructor* jsConstructor = jsCast<JSWorkerConstructor*>(exec->callee());
 
     if (!exec->argumentCount())
-        return throwVMError(exec, createTypeError(exec, "Not enough arguments"));
+        return throwVMError(exec, createNotEnoughArgumentsError(exec));
 
     UString scriptURL = exec->argument(0).toString(exec)->value(exec);
     if (exec->hadException())